[root@node2 zookeeper]# du -h --max-dept=1
294G    ./version-2
294G    .

./zkCleanup.sh 
Usage:
PurgeTxnLog dataLogDir [snapDir] -n count
        dataLogDir -- path to the txn log directory
        snapDir -- path to the snapshot directory
        count -- the number of old snaps/logs you want to keep, value should be greater than or equal to 3

[root@node2 bin]# ./zkCleanup.sh /data/zookeeper -n 5

......
Removing file: Mar 10, 2018 7:57:04 PM  /data/zookeeper/version-2/log.3150c663239
Removing file: Feb 4, 2018 5:39:46 AM   /data/zookeeper/version-2/log.313054d1843
Removing file: Apr 20, 2018 7:40:19 PM  /data/zookeeper/version-2/log.31607ac00d7
Removing file: Apr 6, 2018 3:33:47 PM   /data/zookeeper/version-2/log.3153be932d2
Removing file: Mar 31, 2018 3:46:12 PM  /data/zookeeper/version-2/log.3152f255a35
Removing file: Mar 19, 2018 1:28:12 AM  /data/zookeeper/version-2/log.31516d3c5d7
Removing file: Jan 16, 2018 10:16:43 AM /data/zookeeper/version-2/log.31205b9f349
Removing file: Mar 26, 2018 7:05:37 AM  /data/zookeeper/version-2/log.315245d23e8
Removing file: Apr 12, 2018 6:31:10 AM  /data/zookeeper/version-2/log.31548340db4
......

# The number of snapshots to retain in dataDir
autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
autopurge.purgeInterval=1

curl -XPUT 'node3:9205/downloads/_settings' -d '{
    "index": {
       "number_of_replicas": "0"
    }
}'

{"acknowledged":true}

curl -XPUT 'http://localhost:9200/wwh_test2/' -d '{
    "settings" : {
        "index" : {
            "number_of_shards" : 2, 
            "number_of_replicas" : 2 
        }
    }
}'

curl -XPOST localhost:9200/test -d '{
    "settings" : {
        "number_of_shards" : 1
    },
    "mappings" : {
        "type1" : {
            "properties" : {
                "field1" : { "type" : "string", "index" : "not_analyzed" }
            }
        }
    }
}'

curl -XPOST 'http://localhost:9200/_reindex' -d '{
  "source": {
    "index": "twitter"
  },
  "dest": {
    "index": "new_twitter"
  }
}'

curl -XPOST 'localhost:9200/lookupindex/_close'

curl -XPOST 'localhost:9200/lookupindex/_open'

curl -s "http://node3:9205/_cat/shards" 

...
...
downloads          1 p STARTED      641603  24.2gb 192.168.1.92 node-2 
downloads          1 r INITIALIZING                192.168.1.93 node-3 
downloads          2 r INITIALIZING                192.168.1.92 node-2 
downloads          2 p STARTED      641049  26.5gb 192.168.1.93 node-3 
downloads          3 r INITIALIZING                192.168.1.91 node-1 
downloads          3 p STARTED      639813  26.3gb 192.168.1.93 node-3 
downloads          4 r INITIALIZING                192.168.1.91 node-1 
downloads          4 p STARTED      642036  26.1gb 192.168.1.93 node-3 
downloads          0 r INITIALIZING                192.168.1.92 node-2 
downloads          0 p STARTED      640368  25.6gb 192.168.1.93 node-3 
...
...

curl -XPUT 'node3:9205/downloads/_settings' -d '{
    "index": {
       "number_of_replicas": "0"
    }
}'

{"acknowledged":true}

[root@node1 downloads]# du -h --max-dept=1
27G     ./1
27G     ./3
27G     ./4
8.0K    ./_state
16K     ./2
80G     .

[root@node1 downloads]# du -h --max-dept=1
8.0K    ./_state
13G     ./0
13G     .

curl -s "http://node3:9205/_cat/shards" 

...
...
downloads          1 p STARTED    641603  24.2gb 192.168.1.92 node-2                                               
downloads          2 p RELOCATING 641049  26.5gb 192.168.1.93 node-3 -> 192.168.1.92 MNskHyFsQfC0PixAx-3hBQ node-2 
downloads          3 p STARTED    639813  26.3gb 192.168.1.93 node-3                                               
downloads          4 p STARTED    642036  26.1gb 192.168.1.93 node-3                                               
downloads          0 p RELOCATING 640368  25.6gb 192.168.1.93 node-3 -> 192.168.1.91 pkjX2YIbTnm3A49re8COPg node-1 
...

downloads          1 p STARTED    641603  24.2gb 192.168.1.92 node-2                                               
downloads          2 p RELOCATING 641049  26.5gb 192.168.1.93 node-3 -> 192.168.1.92 MNskHyFsQfC0PixAx-3hBQ node-2 
downloads          3 p STARTED    639813  26.3gb 192.168.1.93 node-3                                               
downloads          4 p STARTED    642036  26.1gb 192.168.1.93 node-3                                               
downloads          0 p STARTED    640368  25.6gb 192.168.1.91 node-1

curl -XPUT 'node3:9205/downloads/_settings' -d '{
    "index": {
       "number_of_replicas": "1"
    }
}'

{"acknowledged":true}

curl -s "http://node3:9205/_cat/shards"

...
...
downloads          1 p STARTED      641603  24.2gb 192.168.1.92 node-2 
downloads          1 r INITIALIZING                192.168.1.91 node-1 
downloads          2 p STARTED      641049  26.5gb 192.168.1.92 node-2 
downloads          2 r INITIALIZING                192.168.1.93 node-3 
downloads          3 r INITIALIZING                192.168.1.92 node-2 
downloads          3 p STARTED      639813  26.3gb 192.168.1.93 node-3 
downloads          4 r INITIALIZING                192.168.1.91 node-1 
downloads          4 p STARTED      642036  26.1gb 192.168.1.93 node-3 
downloads          0 p STARTED      640368  25.6gb 192.168.1.91 node-1 
downloads          0 r INITIALIZING                192.168.1.93 node-3 
...
...

curl -s "http://node3:9205/_cat/shards" | grep UNASSIGNED

curl -XPOST 'node3:9205/_cluster/reroute' -d '{
    "commands" : [ {
          "allocate" : {
              "index" : "downloads",
              "shard" : 4,
              "node" : "node-1",
              "allow_primary" : true
          }
        }
    ]
}'

{
  "commands": [
    {
      "allocate_replica": {
        "index": "mail_store",
        "shard": 1,
        "node": "slave2",
      }
    }
  ]
}

{
  "commands": [
    {
      "allocate_stale_primary": {
        "index": "mail_store",
        "shard": 1,
        "node": "slave2",
        "accept_data_loss": true
      }
    }
  ]
}

curl -XPUT 'http://node3:9200/xxindex/_settings' -d '{  
   "number_of_replicas" : 2  
}' 

curl -XPUT 'http://node3:9200/xxindex/_settings' -d '{  
   "cluster.routing.allocation.disable_allocation" : true  
}' 

curl -XPOST "http://node3:9200/_cluster/reroute' -d  '{  
   "commands" : [{  
        "move" : {  
            "index" : "xlog",  
            "shard" : 0,  
            "from_node" : "es-0",  
            "to_node" : "es-3"  
        }  
    }]  
}' 

curl -XPOST "http://node3:9200/_cluster/reroute' -d  '{  
   "commands" : [{  
        "allocate" : {  
            "index" : ".kibana",  
            "shard" : 0,  
            "node" : "es-2",  
        }  
    }]  
}'

curl -XPOST "http://ESnode:9200/_cluster/reroute" -d '{
  "commands" : [ {
      "cancel" : {
          "index" : "ops",
          "shard" : 0,
          "node" : "es_node_one"
      }
  } ]
  }'

System.setProperty("webdriver.gecko.driver", "/home/user/bin");

% java -Dwebdriver.gecko.driver=/home/user/bin YourApplication

% export PATH=$PATH:/home/user/bin
% whereis geckodriver
geckodriver: /home/user/bin/geckodriver

$ set PATH=%PATH%;C:\bin\geckodriver

-b BINARY/--binary BINARY

% whereis firefox
firefox: /usr/bin/firefox /usr/local/firefox

--connect-existing

--host HOST

--log LEVEL

--marionette-port PORT

-p PORT/--port PORT

--jsdebugger

-v[v]

<dependency>
    <groupId>org.seleniumhq.selenium</groupId>
    <artifactId>selenium-java</artifactId>
    <version>3.9.1</version>
</dependency>

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;

public class Test {

    public static String BROWSER_PATH = "D:\\Program Files\\Mozilla Firefox\\firefox.exe";

    public static String GECKODRIVER_PATH = "D:\\Program Files\\Mozilla Firefox\\geckodriver.exe";

    public static void main(String[] args) throws InterruptedException {

        System.setProperty("webdriver.firefox.bin", BROWSER_PATH);

        System.setProperty("webdriver.gecko.driver", GECKODRIVER_PATH);

        WebDriver driver = new FirefoxDriver();

        driver.get("http://www.baidu.com");

        Thread.sleep(1000);
        
        WebElement searchBox = driver.findElement(By.id("kw"));

        searchBox.sendKeys("geckodriver");
        
        searchBox.submit();
        
        Thread.sleep(10000);

        driver.quit();
    }
}

% firefox -marionette
…
1491228343089   Marionette  INFO    Listening on port 2828

>tasklist | find "chromedriver"
chromedriver.exe              7848 Console                    1     13,740 K

>tasklist | find "chrome"
chromedriver.exe             14692 Console                    1     14,888 K
chrome.exe                   20952 Console                    1     72,204 K
chrome.exe                    7288 Console                    1      9,052 K
chrome.exe                   15524 Console                    1     10,000 K
chrome.exe                   13036 Console                    1     96,028 K
chrome.exe                   11836 Console                    1     29,836 K
chrome.exe                    2788 Console                    1     59,876 K 

WebDriver driver = new RemoteWebDriver(new URL("http://127.0.0.1:9515"), DesiredCapabilities.chrome());

ChromeOptions options = new ChromeOptions();
options.setBinary("/path/to/other/chrome/binary");

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;

public class BaseTest {

    public static void main(String[] args) {
        // 设置ChromeDriver的路径
        System.setProperty("webdriver.chrome.driver", "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chromedriver.exe");

        WebDriver driver = new ChromeDriver();

        driver.get("http://www.baidu.com/");
        
        //driver.quit();
    }
}

public static void main(String[] args) throws InterruptedException {

        // 如果不设置将搜索环境变量
        System.setProperty("webdriver.chrome.driver", "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chromedriver.exe");

        WebDriver driver = new ChromeDriver();
        driver.get("http://www.baidu.com/");

        Thread.sleep(3000);

        WebElement searchBox = driver.findElement(By.id("kw"));

        searchBox.sendKeys("ChromeDriver");
        searchBox.submit();

        Thread.sleep(3000);
        driver.quit();

    }

@RunWith(BlockJUnit4ClassRunner.class)
public class ChromeTest extends TestCase {

  private static ChromeDriverService service;
  private WebDriver driver;

  @BeforeClass
  public static void createAndStartService() {
    service = new ChromeDriverService.Builder()
        .usingDriverExecutable(new File("path/to/my/chromedriver"))
        .usingAnyFreePort()
        .build();
    service.start();
  }

  @AfterClass
  public static void createAndStopService() {
    service.stop();
  }

  @Before
  public void createDriver() {
    driver = new RemoteWebDriver(service.getUrl(),
        DesiredCapabilities.chrome());
  }

  @After
  public void quitDriver() {
    driver.quit();
  }

  @Test
  public void testGoogleSearch() {
    driver.get("http://www.google.com");
    // rest of the test...
  }
}

F:\temp>chromedriver
Starting ChromeDriver 2.37.543627 (63642262d9fb93fb4ab52398be4286d844092a5e) on port 9515
Only local connections are allowed.

public static void main(String[] args) throws MalformedURLException {
    WebDriver driver = new RemoteWebDriver(new URL("http://127.0.0.1:9515"), DesiredCapabilities.chrome());

    driver.get("http://www.baidu.com");
}

if ! command; then echo "command failed"; exit 1; fi

command
if [ "$?" -ne 0 ]; then echo "command failed"; exit 1; fi

command1  && command2

command1 || command2

command || { echo "command failed"; exit 1; }

animal: pets

hash: { name: Steve, foo: bar } 

- Cat
- Dog
- Goldfish

-
 - Cat
 - Dog
 - Goldfish

[ [ 'Cat', 'Dog', 'Goldfish' ] ]

animal: [Cat, Dog]

languages:
 - Ruby
 - Perl
 - Python 
websites:
 YAML: yaml.org 
 Ruby: ruby-lang.org 
 Python: python.org 
 Perl: use.perl.org 

number: 12.30

isSet: true

parent: ~ 

{ parent: null }

iso8601: 2001-12-14t21:59:43.10-05:00 

date: 1976-07-31

e: !!str 123
f: !!str true

str: 这是一行字符串

str: '内容： 字符串'

s1: '内容\n字符串'
s2: "内容\n字符串"

str: 'labor''s day' 

str: 这是一段
  多行
  字符串

{ str: '这是一段 多行 字符串' }

this: |
  Foo
  Bar
that: >
  Foo
  Bar

{ this: 'Foo\nBar\n', that: 'Foo Bar\n' }

s1: |
  Foo

s2: |+
  Foo


s3: |-
  Foo

{ s1: 'Foo\n', s2: 'Foo\n\n\n', s3: 'Foo' }

message: |

  <p style="color: red">
    段落
  </p>

{ message: '\n<p style="color: red">\n  段落\n</p>\n' }

defaults: &defaults
  adapter:  postgres
  host:     localhost

development:
  database: myapp_development
  <<: *defaults

test:
  database: myapp_test
  <<: *default

defaults:
  adapter:  postgres
  host:     localhost

development:
  database: myapp_development
  adapter:  postgres
  host:     localhost

test:
  database: myapp_test
  adapter:  postgres
  host:     localhost

@echo off

rem 想用bat 做一个递归清理文件
rem 目前就是递归执行一下 maven的清理命令
rem 语法真的是渣

rem echo 当前盘符：%~d0
rem echo 当前盘符和路径：%~dp0
rem echo 当前批处理全路径：%~f0
rem echo 当前盘符和路径的短文件名格式：%~sdp0
rem echo 当前CMD默认目录：%cd%

echo ************************************
echo ************ 清理数据 **************
echo ************************************

IF "%1"=="" (
  echo 清理目录:%cd%
  set prodir=%cd%
) ELSE (
  echo 当前参数参数是：[%1]
  echo 清理目录：%1
  set prodir=%1
  if exist %1/ (
	cd %1
  ) else (
  	echo 目录:[%1]不存在，即将退出！
	pause
	exit
  )
)


rem echo 路径：
rem chdir


for /D %%s in (*) do (
  
  echo 当前循环的值是:%%s
  

  REM 跳过git目录
 
  IF %%s==.git (
	echo 这是一个git目录，跳过
	
  ) ELSE (
	  echo 进入目录:%%s
	  cd %%s	  
	  REM echo 判断pom文件是否存在
	  REM dir
	  
	   IF EXIST pom.xml (
		 echo 存在pom文件，开始执行清理命令...
		 
		 mvn clean
		 
		 @echo off
		 
	   ) ELSE (
		 echo 不存在pom文件，进入下一层目录
		 REM goto BB
		 REM call %~f0 %cd%
		 call %~f0
		 
		 echo 子目录处理完成
		 
	   )
	  
	  echo 退出目录:%%s
	  
	  cd .. 
  )

  echo 本次循环结束，循环值是：%%s
  echo ============================================================

)

echo 执行完成